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What is the Java ?: operator called and what does it do? In particular, if Java ever gets another ternary operator, people who use the term "conditional operator" will still be correct and unambiguous - unlike those who just say "ternary operator" Yes, the phrase "ternary operator" has stuck - my answer is part of an effort to "unstick" it, just as I try to correct the claim that "objects are passed
What is the difference between == and equals () in Java? Since java lang String class override equals method, It return true if two String object contains same content but == will only return true if two references are pointing to same object Here is an example of comparing two Strings in Java for equality using == and equals() method which will clear some doubts:
in java what does the @ symbol mean? - Stack Overflow In Java Persistence API you use them to map a Java class with database tables For example @Table() Used to map the particular Java class to the date base table @Entity Represents that the class is an entity class Similarly you can use many annotations to map individual columns, generate ids, generate version, relationships etc
What does the arrow operator, - gt;, do in Java? - Stack Overflow Details: Java 6, Apache Commons Collection, IntelliJ 12 Update Answer: It turns out that IntelliJ 12 supports Java 8, which supports lambdas, and is "folding" Predicates and displaying them as lambdas Below is the "un-folded" code
What is the difference between and in Java? In respect of the AND and OR operators, Java has got two types of evaluation namely Short-Circuit evaluation and full evaluation || Short-Circuit Evaluation Short-Circuit evaluation enables you to not evaluate the right-hand side of AND and OR expressions, when the overall result can be predicted from the left-side value
What does the ^ operator do in Java? - Stack Overflow Exponentiation in Java As for integer exponentiation, unfortunately Java does not have such an operator You can use double Math pow(double, double) (casting the result to int if necessary) You can also use the traditional bit-shifting trick to compute some powers of two That is, (1L << k) is two to the k-th power for k=0 63 See also